law enforcement. and unlike land-based casinos, there is almost no official regulation, enforcement, or supervision. but it hasn't stopped thousands of mostly young men from making this their livelihood. todd witteles, a former computer scientist turned poker pro, says you no longer have to go to vegas to find a high-stakes game. >> here, you could do it from your own living room. you don't have to get dressed. you don't have to anything. you can just--it's right there on your computer. >> witteles says online poker is much different: faster, more aggressive, and less personal. you're not looking at somebody sitting across the table. you're just playing the cards that tumble out of the computer. >> not only are you not looking at your opponents; you're not looking at the cards being dealt. you're not looking at who's dealing them to you. so you don't know if the whole thing is legitimate, even if all the players sitting with you are just as legitimate as you are. maybe the whole game isn't. >> and as